3+6n=21

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Solution for 3+6n=21 equation:


3+6n=21

We simplify the equation to the form, which is simple to understand 
3+6n=21

We move all terms containing n to the left and all other terms to the right. 
+6n=+21-3

We simplify left and right side of the equation. 
+6n=+18

We divide both sides of the equation by 6 to get n. 
n=3

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